Can opener



FIG. 1 is a front elevation view of the can opener.

FIG. 2 is a left side elevation view thereof.

FIG. 3 is rear elevation view thereof.

FIG. 4 is a right side elevation view thereof.

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a can opener, as shown. 